阅读说明：本技术 一种可降解环保塑料母粒制备设备及其方法 (Degradable environment-friendly plastic master batch preparation equipment and method ) 是由 胡启明 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种可降解环保塑料母粒制备设备及其制备方法,第一支架,预置在挤出切割设备的出料端；过滤组件,架设在所述第一支架内,用于过滤未成型母粒；料屑收集箱,安装在所述第一支架的底部；第二支架,预置在所述第一支架远离挤出切割设备的一侧,且,所述第一支架与第二支架的底面平齐；筛分组件,至少为两组,转动设置在所述第二支架的顶部,且,所述筛分组件由固定在所述第二支架上的筛分电机进行驱动；出料口,固定在所述第二支架的中间位置,且,所述出料口与所述筛分组件对应设置；以及第二排料口,固定在所述第二支架远离第一支架的一侧,用于排出尺寸不达标的母粒。(The invention discloses a device and a method for preparing degradable environment-friendly plastic master batches, wherein a first bracket is preset at a discharge end of extrusion cutting equipment; the filter assembly is erected in the first support and used for filtering the unformed master batch; the scrap collecting box is arranged at the bottom of the first bracket; the second support is preset on one side, away from the extrusion cutting equipment, of the first support, and the bottom surfaces of the first support and the second support are flush; the screening assemblies are at least two groups and are rotatably arranged at the top of the second bracket, and the screening assemblies are driven by a screening motor fixed on the second bracket; the discharge port is fixed in the middle of the second bracket and is arranged corresponding to the screening component; and the second discharge opening is fixed on one side, away from the first support, of the second support and used for discharging the master batches with the unqualified size.)

1. The utility model provides a degradable environmental protection plastics master batch preparation equipment which characterized in that: the method comprises the following steps:

the first support (1) is preset at the discharge end of the extrusion cutting equipment;

the filter assembly is erected in the first support (1) and is used for filtering the unformed master batch;

the scrap collecting box (3) is arranged at the bottom of the first bracket (1);

the second support (4) is preset on one side, away from the extrusion cutting equipment, of the first support (1), and the bottom surfaces of the first support (1) and the second support (4) are flush;

the screening assemblies (5) are at least two groups and are rotatably arranged at the top of the second bracket (4), the screening assemblies (5) are driven by a screening motor (8) fixed on the second bracket (4), and the screening assemblies (5) are obliquely arranged;

the discharge port (6) is fixed in the middle of the second bracket (4), and the discharge port (6) is arranged corresponding to the screening assembly (5); and

and the second discharge opening (7) is fixed on one side, far away from the first support (1), of the second support (4) and used for discharging the master batches with unqualified sizes.

2. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 1, is characterized in that: the filter assembly includes:

two sliding blocks (22) are symmetrically arranged on the inner side of the first bracket (1), one side of each sliding block (22) is hinged with a connecting rod, and the connecting rods are driven by a filtering motor (23) to drive an eccentric wheel to move;

a filter screen (21) fixed between the sliders (22);

an extension plate (24) secured to an end of said first frame (1) adjacent to a screen assembly (5), said extension plate (24) extending into said screen assembly (5); and

first discharge gate (25) is fixed in first support (1), just first discharge gate (25) are located filter screen (21) below.

3. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 2, is characterized in that: the slide block (22) is obliquely arranged in the first support (1), and the inclination angle of the slide block is 5-10 degrees for conveying the master batch.

4. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 3, is characterized in that: the filter screen (21) is provided with a hole with a size which can only allow the unformed master batch powder to pass through.

5. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 1, is characterized in that: the screen assembly (5) comprises:

the rotating shaft is rotatably arranged on the second bracket (4) by adopting a bearing seat;

the bearing seat is fixed on the second bracket (4), and one end of the rotating shaft extends out of the bearing seat and is connected with the output end of the screening motor (8);

at least three clamping columns (54) are rotatably arranged on the rotating shaft;

a connecting ring (51) fixed on the clamping column (54);

a plurality of connection columns (53) installed between the connection rings (51); and

and the screening cavity (55) is clamped between the clamping columns (54).

6. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 5, is characterized in that: the connecting ring (51) is provided with a plurality of inserting holes (52) on the circumference, a plurality of connecting columns (53) are installed in the inserting holes (52), and the number of the connecting columns (53) is reduced from left to right in sequence, so that master batches can be conveniently discharged.

7. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 5, is characterized in that: the screening chamber (55) comprises:

at least four clamping plates (551) are symmetrically clamped on the clamping columns (54);

a screening cylinder (552) rotatably disposed between the clamping plates (551);

a plurality of sliding plates (554) arranged circumferentially at both ends of the sieving cylinder (552).

8. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 7, is characterized in that: one side of the clamping plate (551) is provided with a semicircular clamping groove (556) for placing the clamping column (54), the other side of the clamping plate (551) is provided with at least three sliding grooves (553), a sliding plate (554) is slidably arranged in each sliding groove (553), and a reciprocating spring (555) is arranged between the two ends of the sliding plate (554) and the sliding grooves (553).

9. The equipment for preparing the degradable environment-friendly plastic master batch according to claim 7, is characterized in that: a plurality of screening holes are formed in the screening cylinder (552), and the screening grain size of the screening cylinder (552) is increased from left to right in sequence.

10. The preparation method of the degradable environment-friendly plastic master batch according to claim 1, characterized by comprising the following steps: which comprises the following steps:

s1, mother granules prepared by extrusion cutting equipment fall on a filter assembly, the filter assembly filters the unformed mother granules through a filter screen (21) and the unformed mother granules fall into a scrap collecting box (3) through a first discharge port (25);

s2, enabling the unfiltered master batches to enter a screening component (5) through an extension plate (24), and screening the master batches through a screening motor (8) by the screening component (5), so that the master batches are classified and collected according to the sizes of the master batches;

s3, during screening, the rotation of the clamping column (54) drives the clamping plate (551) to rotate, so that the reciprocating spring (555) on one side of the sliding plate (554) deforms, when the deformation reaches a limit value, the reciprocating spring (555) pushes the sliding plate (554) to slide through the elasticity of the reciprocating spring (555), so that the screening cylinder (552) rotates, and when the reciprocating spring (555) on the other side of the sliding plate (554) deforms to a limit value, the screening cylinder (552) rotates reversely, so that the screening cylinder (552) reciprocates;

and S4, discharging the master batches which are not sieved out through a second discharge port (7), and putting the master batches and the unformed master batches into extrusion cutting equipment for remolding.

Technical Field

The invention relates to the technical field of plastic master batch preparation, in particular to degradable environment-friendly plastic master batch preparation equipment and a method thereof.

Background

The degradable plastic master batch is prepared by taking light and a biological degradation agent as main raw materials, adding a certain amount of auxiliary agents such as a photosensitive regulator, a dispersing agent, a biological active agent, carrier resin and the like, and mixing, plasticizing, extruding and granulating.

The existing plastic master batch preparation equipment cannot classify and collect the formed master batches, so that the master batches are low in efficiency in use, part of plastic master batches cannot be formed due to external factors when extruded and cut into granules, the unformed master batches cannot be filtered out, and the plastic master batches and the formed master batches are mixed and solidified into blocks when collected, so that the use is influenced.

Aiming at the problems, the invention provides equipment for preparing degradable environment-friendly plastic master batches, which aims to solve the problems.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a degradable environmental protection plastics master batch preparation equipment includes:

the first support is preset at the discharge end of the extrusion cutting equipment;

the filter assembly is erected in the first support and used for filtering the unformed master batch;

the scrap collecting box is arranged at the bottom of the first bracket;

the second support is preset on one side, away from the extrusion cutting equipment, of the first support, and the bottom surfaces of the first support and the second support are flush;

at least two groups of screening assemblies are rotatably arranged at the top of the second bracket, the screening assemblies are driven by a screening motor fixed on the second bracket, and the screening assemblies are obliquely arranged;

the discharge port is fixed in the middle of the second bracket and is arranged corresponding to the screening component; and

and the second discharge opening is fixed on one side of the second support far away from the first support and used for discharging the master batch with the unqualified size.

Further, preferably, the filter assembly includes:

the two sliding blocks are symmetrically arranged on the inner side of the first support, one side of each sliding block is hinged with a connecting rod, and the connecting rods are driven by a filtering motor to drive an eccentric wheel to move;

the filter screen is fixed between the sliding blocks;

an extension plate secured to an end of the first frame adjacent the screen assemblies, the extension plate extending into the screen assemblies; and

the first discharge port is fixed in the first support, and the first discharge port is located below the filter screen.

Further, preferably, the slide block is obliquely arranged in the first support, and the inclination angle of the slide block is 5-10 degrees, so that the slide block is used for conveying master batches.

Further, it is preferable that the filter mesh has a pore size that allows only the unmolded master batch powder to pass through.

Further, it is preferred that the screen assembly includes:

the rotating shaft is rotatably arranged on the second bracket by adopting a bearing seat;

the bearing seat is fixed on the second bracket, and one end of the rotating shaft extends out of the bearing seat and is connected with the output end of the screening motor;

at least three clamping columns are rotatably arranged on the rotating shaft;

the connecting ring is fixed on the clamping column;

a plurality of connection columns installed between the connection rings; and

and the screening cavity is clamped between the clamping columns.

Further, preferably, a plurality of inserting holes are formed in the circumference of the connecting ring, connecting columns are installed in the inserting holes, the number of the connecting columns is reduced from left to right, and the master batches are conveniently discharged.

Further, preferably, the screening chamber comprises:

at least four clamping plates are symmetrically clamped on the clamping columns;

the screening cylinder is rotatably arranged between the clamping plates;

the sliding plates are arranged in a plurality of numbers, and are circumferentially arranged at two ends of the screening cylinder.

Further, preferably, a semicircular clamping groove is formed in one side of the clamping plate and used for placing the clamping columns, at least three sliding grooves are formed in the other side of the clamping plate, a sliding plate is slidably arranged in each sliding groove, and a reciprocating spring is arranged between each two ends of each sliding plate and each sliding groove.

Further, preferably, a plurality of screening holes are formed in the screening cylinder, and the screening particle size of the screening cylinder increases from left to right.

Further, preferably, it comprises the steps of:

s1, mother granules prepared by extrusion cutting equipment fall on a filter assembly, the filter assembly filters the unformed mother granules through a filter screen to discharge the unformed mother granules, and the unformed mother granules fall into a scrap collecting box through a first discharge port;

s2, enabling the unfiltered master batches to enter a screening component through an extension plate, and screening the master batches through a screening motor by the screening component so as to perform classified collection according to the sizes of the master batches;

s3, during screening, the rotation of the clamping column drives the clamping plate to rotate, so that the reciprocating spring on one side of the sliding plate deforms, when the deformation reaches a limit value, the reciprocating spring pushes the sliding plate to slide through the elasticity of the reciprocating spring, so that the screening cylinder rotates, and when the reciprocating spring on the other side of the sliding plate deforms to the limit value, the screening cylinder rotates reversely, so that the screening cylinder reciprocates;

and S4, discharging the master batches which are not sieved out through a second discharge port, and putting the master batches and the unformed master batches into extrusion cutting equipment for remolding.

Compared with the prior art, the invention provides degradable environment-friendly plastic master batch preparation equipment, which has the following beneficial effects:

according to the invention, the filter screen is driven by the filter motor to reciprocate, so that unformed master batches can be filtered out and fall into the scrap collecting box, and then are fed into the extrusion cutting equipment again, waste of raw materials is avoided, the formed master batches enter the screening assembly through the extension plate, the screening assembly conducts primary screening on the size of the master batches through rotation, and then the reciprocating spring enables the screening barrel to do reciprocating motion to conduct secondary screening, so that the screening accuracy is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a device for preparing degradable environment-friendly plastic master batches;

FIG. 2 is a schematic diagram of a screening component of the degradable environment-friendly plastic master batch preparation device;

FIG. 3 is a schematic diagram of a screening cavity of a device for preparing degradable environment-friendly plastic master batches;

in the figure: 1. a first bracket; 21. a filter screen; 22. a slider; 23. a filter motor; 24. an extension plate; 25. a first discharge port; 3. a scrap collecting box; 4. a second bracket; 5. a screen assembly; 51. a connecting ring; 52. inserting holes; 53. connecting columns; 54. a clamping column; 55. a screening chamber; 551. a clamping and connecting plate; 552. a screening drum; 553. a sliding groove; 554. a sliding plate; 555. a reciprocating spring; 556. a clamping groove; 6. a discharge port; 7. A second discharge opening; 8. screening motor.

Detailed Description

Referring to fig. 1 to 3, the present invention provides a device for preparing degradable environment-friendly plastic masterbatch, comprising: the method comprises the following steps:

a first bracket 1, which is arranged in advance at the discharge end of an extrusion cutting device (not shown in the figure);

the filter assembly is erected in the first support 1 and used for filtering the unformed master batch;

the scrap collecting box 3 is arranged at the bottom of the first bracket 1;

the second bracket 4 is preset on one side of the first bracket 1, which is far away from an extrusion cutting device (not shown in the figure), and the bottom surface of the first bracket 1 is flush with that of the second bracket 4;

the screening assemblies 5 are at least two in number and are rotatably arranged at the top of the second support 4, the screening assemblies 5 are driven by a screening motor 8 fixed on the second support 4, the screening assemblies 5 are obliquely arranged, namely, the obliquely arranged screening assemblies 5 can enable the master batches to move towards the next screening assembly 5 while screening, and the screening efficiency is improved;

the discharge port 6 is fixed in the middle of the second bracket 4, and the discharge port 6 is arranged corresponding to the screening assembly 5; and

the second discharge opening 7 is fixed on one side of the second support 4 far away from the first support 1 and used for discharging the master batches with unqualified sizes, and it needs to be noted that the master batches discharged from the second discharge opening 7 and the filtered master batches are all put into an extrusion cutting device (not shown in the figure) for reshaping, so that the use of raw materials is saved.

In this embodiment, the filter assembly includes:

two sliding blocks 22 are symmetrically arranged on the inner side of the first bracket 1, and one side of each sliding block 22 is hinged with a connecting rod which drives an eccentric wheel to move by a filter motor 23;

it should be explained that one end of the connecting rod is hinged on the sliding block 22, the other end of the connecting rod is hinged on an eccentric wheel, and the eccentric wheel is fixed on an output shaft of the filtering motor 23, that is, the rotating motion of the filtering motor 23 can be converted into the linear motion through the connecting rod, so that the sliding block 22 drives the filtering net 21 to reciprocate, and the filtering effect is improved.

A filter screen 21 fixed between the sliders 22;

an extension plate 24 secured to the end of first frame 1 adjacent screen assemblies 5, with extension plate 24 extending into screen assemblies 5; and

first discharge port 25 is fixed in first support 1, just first discharge port 25 is located filter screen 21 below.

As a preferred embodiment, the sliding block 22 is obliquely arranged in the first support 1, and the inclination angle is 5 ° to 10 ° for conveying the master batch.

In a preferred embodiment, the filter screen 21 is formed with a hole having a size that allows only the powder of the unmolded mother particles to pass therethrough, thereby preventing the discharge of the molded mother particles.

In a preferred embodiment, the screen assemblies 5 include:

the rotating shaft is rotatably arranged on the second bracket 4 by adopting a bearing seat;

the bearing seat is fixed on the second bracket 4, and one end of the rotating shaft extends out of the bearing seat and is connected with the output end of the screening motor 8;

at least three clamping columns 54 are rotatably arranged on the rotating shaft;

a connecting ring 51 fixed on the clamping column 54;

a plurality of connecting columns 53 installed between the connecting rings 51 to improve the stability of the screen assemblies 5; and

and the screening cavity 55 is clamped between the clamping columns 54.

As a preferred embodiment, a plurality of insertion holes 52 are formed in the circumference of the connection ring 51, connection posts 53 are installed in the plurality of insertion holes 52, and the number of the connection posts 53 is sequentially reduced from left to right, so that the master batches can be conveniently discharged.

In a preferred embodiment, the screening chamber 55 comprises:

at least four clamping plates 551 which are symmetrically clamped on the clamping columns 54;

a sieving cylinder 552 rotatably disposed between the snap plates 551;

the sliding plates 554 are provided in a plurality, and are circumferentially arranged at both ends of the sieving cylinder 552.

In a preferred embodiment, one side of the clamping plate 551 is opened with a semicircular clamping groove 556 for placing the clamping column 54, the other side of the clamping plate 551 is opened with at least three sliding grooves 553, a sliding plate 554 is slidably disposed in the sliding grooves 553, and a reciprocating spring 555 is disposed between two ends of the sliding plate 554 and the sliding grooves 553.

As a preferred embodiment, a plurality of screening holes are formed in the screening cylinder 552, and the screening particle size of the screening cylinder 552 increases from left to right, that is, the screening grade of the screening cylinder 552 decreases gradually, so that the master batches can be classified and collected according to size.

In this embodiment, it comprises the following steps:

s1, mother granules prepared by extrusion cutting equipment fall on a filter assembly, the filter assembly filters the unformed mother granules out through a filter screen 21, and the unformed mother granules fall into a scrap collecting box 3 through a first discharge port 25;

s2, enabling the unfiltered master batches to enter the screening component 5 through the extension plate 24, and screening the master batches through the screening motor 8 by the screening component 5 so as to perform classified collection according to the sizes of the master batches;

s3, during screening, the rotation of the clamping columns 54 drives the clamping plates 551 to rotate, so that the reciprocating springs 555 on one side of the sliding plate 554 are deformed, when the deformation reaches a limit value, the reciprocating springs 555 push the sliding plate 554 to slide through the elasticity of the reciprocating springs 555, so that the screening cylinder 552 rotates, and when the reciprocating springs 555 on the other side of the sliding plate 554 reach the limit value, the screening cylinder 552 rotates reversely, so that the screening cylinder 552 moves in a reciprocating mode, and the screening efficiency is improved;

and S4, discharging the master batches which are not sieved out through the second discharge port 7, and putting the master batches and the unformed master batches into extrusion cutting equipment together for remolding, so that the use of raw materials is saved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.